106 lines
3.8 KiB
C++
106 lines
3.8 KiB
C++
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// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2009
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// Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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#include "bits/c++config.h"
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#include <fstream>
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#include <istream>
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#include <ostream>
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#include <ext/stdio_filebuf.h>
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#include <ext/stdio_sync_filebuf.h>
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// On AIX, and perhaps other systems, library initialization order is
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// not guaranteed. For example, the static initializers for the main
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// program might run before the static initializers for this library.
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// That means that we cannot rely on static initialization in the
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// library; there is no guarantee that things will get initialized in
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// time. This file contains definitions of all global variables that
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// require initialization as arrays of characters.
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// NB: asm directives can rename these non-exported, namespace
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// __gnu_cxx symbols into exported, namespace std symbols with the
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// appropriate symbol version name.
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// The rename syntax is
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// asm (".symver currentname,oldname@@GLIBCXX_3.2")
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// In macro form:
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// _GLIBCXX_ASM_SYMVER(currentname, oldname, GLIBCXX_3.2)
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_GLIBCXX_BEGIN_NAMESPACE(std)
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// Standard stream objects.
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// NB: Iff <iostream> is included, these definitions become wonky.
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typedef char fake_istream[sizeof(istream)]
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__attribute__ ((aligned(__alignof__(istream))));
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typedef char fake_ostream[sizeof(ostream)]
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__attribute__ ((aligned(__alignof__(ostream))));
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fake_istream cin;
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fake_ostream cout;
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fake_ostream cerr;
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fake_ostream clog;
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#ifdef _GLIBCXX_USE_WCHAR_T
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typedef char fake_wistream[sizeof(wistream)]
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__attribute__ ((aligned(__alignof__(wistream))));
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typedef char fake_wostream[sizeof(wostream)]
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__attribute__ ((aligned(__alignof__(wostream))));
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fake_wistream wcin;
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fake_wostream wcout;
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fake_wostream wcerr;
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fake_wostream wclog;
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#endif
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_GLIBCXX_END_NAMESPACE
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namespace __gnu_internal _GLIBCXX_VISIBILITY_ATTR(hidden)
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{
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using namespace std;
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using namespace __gnu_cxx;
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// We use different stream buffer types depending on whether
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// ios_base::sync_with_stdio(false) has been called.
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typedef char fake_stdiobuf[sizeof(stdio_sync_filebuf<char>)]
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__attribute__ ((aligned(__alignof__(stdio_sync_filebuf<char>))));
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fake_stdiobuf buf_cout_sync;
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fake_stdiobuf buf_cin_sync;
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fake_stdiobuf buf_cerr_sync;
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typedef char fake_filebuf[sizeof(stdio_filebuf<char>)]
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__attribute__ ((aligned(__alignof__(stdio_filebuf<char>))));
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fake_filebuf buf_cout;
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fake_filebuf buf_cin;
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fake_filebuf buf_cerr;
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#ifdef _GLIBCXX_USE_WCHAR_T
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typedef char fake_wstdiobuf[sizeof(stdio_sync_filebuf<wchar_t>)]
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__attribute__ ((aligned(__alignof__(stdio_sync_filebuf<wchar_t>))));
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fake_wstdiobuf buf_wcout_sync;
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fake_wstdiobuf buf_wcin_sync;
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fake_wstdiobuf buf_wcerr_sync;
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typedef char fake_wfilebuf[sizeof(stdio_filebuf<wchar_t>)]
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__attribute__ ((aligned(__alignof__(stdio_filebuf<wchar_t>))));
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fake_wfilebuf buf_wcout;
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fake_wfilebuf buf_wcin;
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fake_wfilebuf buf_wcerr;
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#endif
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} // namespace __gnu_internal
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